package com.xjy.filter;

import javax.servlet.*;
import java.io.IOException;

public class CharacterEncodingFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException {
        Filter.super.init(filterConfig);
    }

    @Override
    public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
        //输入输出都为utf-8，写完后马上在web.xml注册
        request.setCharacterEncoding("utf-8");
        response.setCharacterEncoding("utf-8");

        chain.doFilter(request, response);

    }

    @Override
    public void destroy() {
        Filter.super.destroy();
    }
}
